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-rwxr-xr-xtools/testing/selftests/net/forwarding/mirror_gre_bound.sh226
1 files changed, 226 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bound.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bound.sh
new file mode 100755
index 0000000000000..360ca133bead6
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+++ b/tools/testing/selftests/net/forwarding/mirror_gre_bound.sh
@@ -0,0 +1,226 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# +---------------------+ +---------------------+
+# | H1 | | H2 |
+# | + $h1 | | $h2 + |
+# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
+# +-----|---------------+ +---------------|-----+
+# | |
+# +-----|-------------------------------------------------------------|-----+
+# | SW o--> mirror | |
+# | +---|-------------------------------------------------------------|---+ |
+# | | + $swp1 BR $swp2 + | |
+# | +---------------------------------------------------------------------+ |
+# | |
+# | +---------------------------------------------------------------------+ |
+# | | OL + gt6 (ip6gretap) + gt4 (gretap) | |
+# | | : loc=2001:db8:2::1 : loc=192.0.2.129 | |
+# | | : rem=2001:db8:2::2 : rem=192.0.2.130 | |
+# | | : ttl=100 : ttl=100 | |
+# | | : tos=inherit : tos=inherit | |
+# | +-------------------------:--|-------------------:--|-----------------+ |
+# | : | : | |
+# | +-------------------------:--|-------------------:--|-----------------+ |
+# | | UL : |,---------------------' | |
+# | | + $swp3 : || : | |
+# | | | 192.0.2.129/28 : vv : | |
+# | | | 2001:db8:2::1/64 : + ul (dummy) : | |
+# | +---|---------------------:----------------------:--------------------+ |
+# +-----|---------------------:----------------------:----------------------+
+# | : :
+# +-----|---------------------:----------------------:----------------------+
+# | H3 + $h3 + h3-gt6 (ip6gretap) + h3-gt4 (gretap) |
+# | 192.0.2.130/28 loc=2001:db8:2::2 loc=192.0.2.130 |
+# | 2001:db8:2::2/64 rem=2001:db8:2::1 rem=192.0.2.129 |
+# | ttl=100 ttl=100 |
+# | tos=inherit tos=inherit |
+# | |
+# +-------------------------------------------------------------------------+
+#
+# This tests mirroring to gretap and ip6gretap configured in an overlay /
+# underlay manner, i.e. with a bound dummy device that marks underlay VRF where
+# the encapsulated packed should be routed.
+
+ALL_TESTS="
+ test_gretap
+ test_ip6gretap
+"
+
+NUM_NETIFS=6
+source lib.sh
+source mirror_lib.sh
+source mirror_gre_lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/28
+}
+
+h1_destroy()
+{
+ simple_if_fini $h1 192.0.2.1/28
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.2/28
+}
+
+h2_destroy()
+{
+ simple_if_fini $h2 192.0.2.2/28
+}
+
+h3_create()
+{
+ simple_if_init $h3 192.0.2.130/28 2001:db8:2::2/64
+
+ tunnel_create h3-gt4 gretap 192.0.2.130 192.0.2.129
+ ip link set h3-gt4 vrf v$h3
+ matchall_sink_create h3-gt4
+
+ tunnel_create h3-gt6 ip6gretap 2001:db8:2::2 2001:db8:2::1
+ ip link set h3-gt6 vrf v$h3
+ matchall_sink_create h3-gt6
+}
+
+h3_destroy()
+{
+ tunnel_destroy h3-gt6
+ tunnel_destroy h3-gt4
+
+ simple_if_fini $h3 192.0.2.130/28 2001:db8:2::2/64
+}
+
+switch_create()
+{
+ # Bridge between H1 and H2.
+
+ ip link add name br1 type bridge vlan_filtering 1
+ ip link set dev br1 up
+
+ ip link set dev $swp1 master br1
+ ip link set dev $swp1 up
+
+ ip link set dev $swp2 master br1
+ ip link set dev $swp2 up
+
+ tc qdisc add dev $swp1 clsact
+
+ # Underlay.
+
+ simple_if_init $swp3 192.0.2.129/28 2001:db8:2::1/64
+
+ ip link add name ul type dummy
+ ip link set dev ul master v$swp3
+ ip link set dev ul up
+
+ # Overlay.
+
+ vrf_create vrf-ol
+ ip link set dev vrf-ol up
+
+ tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \
+ ttl 100 tos inherit dev ul
+ ip link set dev gt4 master vrf-ol
+ ip link set dev gt4 up
+
+ tunnel_create gt6 ip6gretap 2001:db8:2::1 2001:db8:2::2 \
+ ttl 100 tos inherit dev ul allow-localremote
+ ip link set dev gt6 master vrf-ol
+ ip link set dev gt6 up
+}
+
+switch_destroy()
+{
+ vrf_destroy vrf-ol
+
+ tunnel_destroy gt6
+ tunnel_destroy gt4
+
+ simple_if_fini $swp3 192.0.2.129/28 2001:db8:2::1/64
+
+ ip link del dev ul
+
+ tc qdisc del dev $swp1 clsact
+
+ ip link set dev $swp1 down
+ ip link set dev $swp2 down
+ ip link del dev br1
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+
+ swp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ swp3=${NETIFS[p5]}
+ h3=${NETIFS[p6]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+ h3_create
+
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ switch_destroy
+
+ h3_destroy
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+test_gretap()
+{
+ full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap w/ UL"
+ full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap w/ UL"
+}
+
+test_ip6gretap()
+{
+ full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap w/ UL"
+ full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap w/ UL"
+}
+
+test_all()
+{
+ RET=0
+
+ slow_path_trap_install $swp1 ingress
+ slow_path_trap_install $swp1 egress
+
+ tests_run
+
+ slow_path_trap_uninstall $swp1 egress
+ slow_path_trap_uninstall $swp1 ingress
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tcflags="skip_hw"
+test_all
+
+if ! tc_offload_check; then
+ echo "WARN: Could not test offloaded functionality"
+else
+ tcflags="skip_sw"
+ test_all
+fi
+
+exit $EXIT_STATUS